rainbow/case/case.scad

   1 wall_thickness = 1.5;
   2
   3 pcb_length = 53;
   4 pcb_width = 23;
   5 pcb_thickness = 1.6;
   6 pcb_depth = 2;
   7 pcb_rail_width = 1.5;
   8 pcb_prog_stick_out = 5;         // how much does the programming connector stick out
   9
  10 box_height = 12;
  11 box_depth = pcb_thickness + pcb_depth;
  12
  13 lid_rail_width = 1;
  14 lid_rail_height = 2;
  15
  16 usb_width = 10;
  17 usb_height = 4;
  18
  19 rs485_width = 16.5;
  20 rs485_height = 8;
  21
  22 over = 0.1;
  23 clearance = 0.2;
  24
  25 module bottom() {
  26         difference() {
  27                 // Exterior
  28                 translate([-wall_thickness, -wall_thickness, -box_depth-wall_thickness])
  29                         cube([2*wall_thickness + pcb_length + pcb_prog_stick_out, 2*wall_thickness + pcb_width, wall_thickness + box_depth + box_height]);
  30
  31                 // Interior
  32                 cube([pcb_length + pcb_prog_stick_out, pcb_width, box_height+1]);
  33
  34                 // USB connector hole
  35                 translate([-wall_thickness-over, (pcb_width-usb_width)/2, -pcb_thickness])
  36                         cube([wall_thickness+2*over, usb_width, pcb_thickness+box_height+over]);
  37
  38                 // PCB
  39                 translate([0, 0, -pcb_thickness])
  40                         cube([pcb_length, pcb_width, pcb_thickness+over]);
  41
  42                 // Sub-PCB hole
  43                 translate([0, pcb_rail_width, -pcb_thickness-pcb_depth])
  44                         cube([pcb_length, pcb_width - 2*pcb_rail_width, pcb_thickness + pcb_depth + over]);
  45         }
  46 }
  47
  48 module top() {
  49         difference() {
  50                 union() {
  51                         // Lid
  52                         translate([-wall_thickness, -wall_thickness, 0])
  53                                 cube([pcb_length + pcb_prog_stick_out + 2*wall_thickness, pcb_width + 2*wall_thickness, wall_thickness]);
  54
  55                         // Rails
  56                         translate([0, 0, -lid_rail_height])
  57                                 cube([pcb_length + pcb_prog_stick_out, lid_rail_width, lid_rail_height + over]);
  58                         translate([0, pcb_width - lid_rail_width, -lid_rail_height])
  59                                 cube([pcb_length + pcb_prog_stick_out, lid_rail_width, lid_rail_height + over]);
  60
  61                         // USB connector roof
  62                         translate([-wall_thickness, (pcb_width - usb_width)/2 + clearance, usb_height - box_height + clearance])
  63                                 cube([wall_thickness, usb_width - 2*clearance, box_height - usb_height - clearance + over]);
  64
  65                         // RS485 connector roof
  66                         //translate([-wall_thickness, (pcb_width - rs485_width)/2 + clearance, rs485_height - box_height + clearance])
  67                         //      cube([wall_thickness, rs485_width - 2*clearance, box_height - rs485_height - clearance + over]);
  68                 }
  69         }
  70 }
  71
  72 //bottom();
  73 color([1, 0, 0]) translate([0, 0, box_height]) top();